/**
* Licensed to jclouds, Inc. (jclouds) under one or more
* contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. jclouds licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.jclouds.aws.ec2.compute.strategy;
import static com.google.common.base.Preconditions.checkNotNull;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.annotation.Resource;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.jclouds.compute.domain.ImageBuilder;
import org.jclouds.compute.domain.OperatingSystem;
import org.jclouds.compute.domain.OsFamily;
import org.jclouds.compute.util.ComputeServiceUtils;
import org.jclouds.ec2.compute.strategy.ReviseParsedImage;
import org.jclouds.logging.Logger;
/**
* @author Adrian Cole
*/
@Singleton
public class AWSEC2ReviseParsedImage implements ReviseParsedImage {
// 137112412989/amzn-ami-0.9.7-beta.i386-ebs
// 137112412989/amzn-ami-0.9.7-beta.x86_64-ebs
// amzn-ami-us-east-1/amzn-ami-0.9.7-beta.x86_64.manifest.xml
// amzn-ami-us-east-1/amzn-ami-0.9.7-beta.i386.manifest.xml
public static final Pattern AMZN_PATTERN = Pattern
.compile(".*/(amzn-hvm-|amzn-)?ami-(.*)\\.(i386|x86_64)(-ebs|\\.manifest.xml)?");
// amazon/EC2 CentOS 5.4 HVM AMI
public static final Pattern AMAZON_PATTERN = Pattern.compile("amazon/EC2 ([^ ]+) ([^ ]+).*");
// amazon/Windows_Server-2008-R2_SP1-English-64Bit-Base-2012.03.13
// 1111111 22222222222 3333333333
public static final Pattern AMAZON_WINDOWS_PATTERN = Pattern.compile(".*/(Windows)_Server-([^-]*-[^-]*)-.*-([^-]*)(\\.manifest.xml)?");
public static final Pattern CANONICAL_PATTERN = Pattern.compile(".*/([^-]*)-([^-]*)-.*-(.*)(\\.manifest.xml)?");
// ex rightscale-us-east/CentOS_5.4_x64_v4.4.10.manifest.xml
public static final Pattern RIGHTSCALE_PATTERN = Pattern
.compile("[^/]*/([^_]*)_([^_]*)_[^vV]*[vV](.*)(\\.manifest.xml)?");
// ex 411009282317/RightImage_Ubuntu_9.10_x64_v4.5.3_EBS_Alpha
// 411009282317/RightImage_Windows_2008_x64_v5.5.5
public static final Pattern RIGHTIMAGE_PATTERN = Pattern
.compile("[^/]*/RightImage[_ ]([^_]*)_([^_]*)_[^vV]*[vV](.*)(\\.manifest.xml)?");
private final Map<OsFamily, Map<String, String>> osVersionMap;
@Resource
protected Logger logger = Logger.NULL;
@Inject
public AWSEC2ReviseParsedImage(Map<OsFamily, Map<String, String>> osVersionMap) {
this.osVersionMap = checkNotNull(osVersionMap, "osVersionMap");
}
@Override
public void reviseParsedImage(org.jclouds.ec2.domain.Image from, ImageBuilder builder, OsFamily family,
OperatingSystem.Builder osBuilder) {
try {
Matcher matcher = getMatcherAndFind(from.getImageLocation());
if (matcher.pattern() == AMZN_PATTERN) {
osBuilder.family(OsFamily.AMZN_LINUX);
osBuilder.version(matcher.group(2));
builder.version(matcher.group(2));
} else if (matcher.pattern() == AMAZON_PATTERN) {
family = OsFamily.fromValue(matcher.group(1));
osBuilder.family(family);
osBuilder.version(ComputeServiceUtils.parseVersionOrReturnEmptyString(family, matcher.group(2),
osVersionMap));
} else {
family = OsFamily.fromValue(matcher.group(1));
osBuilder.family(family);
osBuilder.version(ComputeServiceUtils.parseVersionOrReturnEmptyString(family, matcher.group(2),
osVersionMap));
builder.version(matcher.group(3).replace(".manifest.xml", ""));
}
} catch (IllegalArgumentException e) {
logger.debug("<< didn't match os(%s)", from.getImageLocation());
} catch (NoSuchElementException e) {
logger.trace("<< didn't match at all(%s)", from.getImageLocation());
}
}
/**
*
* @throws NoSuchElementException
* if no configured matcher matches the manifest.
*/
private Matcher getMatcherAndFind(String manifest) {
for (Pattern pattern : new Pattern[] { AMZN_PATTERN, AMAZON_PATTERN, AMAZON_WINDOWS_PATTERN, CANONICAL_PATTERN,
RIGHTIMAGE_PATTERN, RIGHTSCALE_PATTERN }) {
Matcher matcher = pattern.matcher(manifest);
if (matcher.find())
return matcher;
}
throw new NoSuchElementException(manifest);
}
}